Geological position and composition of Au-Ag ores of Central Chukotka

The Upper Yablon and Penzhina-Anadyr metallogenic zones lie within the Central sector of the Okhotsk-Chukchi volcanogenic belt. These zones are made of Cretaceous volcanic covers and bodies of comagmatic subvolcanic and extrusive varieties. Volcano-tectonic structures define positions of ore cluster...

Full description

Bibliographic Details
Main Authors: D A Lorentz, A P Sergievski
Format: Article in Journal/Newspaper
Language:English
Russian
Published: Peoples’ Friendship University of Russia (RUDN University) 2009
Subjects:
Online Access:https://doaj.org/article/bd05dab609224b95972ce5e553be5b4c
Description
Summary:The Upper Yablon and Penzhina-Anadyr metallogenic zones lie within the Central sector of the Okhotsk-Chukchi volcanogenic belt. These zones are made of Cretaceous volcanic covers and bodies of comagmatic subvolcanic and extrusive varieties. Volcano-tectonic structures define positions of ore clusters (trends) bearing Au-Ag mineralization. Argentiferous sulfosalts and fahlerz are most typical of ore-bearing veins and veinlet zones of the Upper Yablon zone, whereas acanthite prevails among the ore minerals in the Penzhina-Anadyr zone.